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- [3] A PHYSICAL DEVICE FOR DEMONSTRATING CONFOUNDING, BLOCKING, AND THE ROLE OF RANDOMIZATION IN UNCOVERING A CAUSAL RELATIONSHIP AMERICAN STATISTICIAN, 1995, 49 (02): : 210 - 216
- [9] A physical device for demonstrating confounding, blocking, and the role of randomization in uncovering a causal relationship - Reply AMERICAN STATISTICIAN, 1996, 50 (04): : 388 - 388
- [10] A physical device for demonstrating confounding, blocking, and the role of randomization in uncovering a causal relationship - Comment AMERICAN STATISTICIAN, 1996, 50 (04): : 387 - 388